(0 21 2)(1 20 15 6 3)(4 9 7)(5 14 11 18 13)(8 12 10)(16 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 5 14)
(0 11 18 13 5 21 2)(1 20 15 6 3)(4 9 7)(8 12 10)(14)(16 19 17)
2: (3 15 6)
(0 11 18 13 5 21 2)(1 20 15)(3)(4 9 7)(6)(8 12 10)(14)(16 19 17)
3: (2 18 21)
(0 11 18)(1 20 15)(2)(3)(4 9 7)(5 21 13)(6)(8 12 10)(14)(16 19 17)
4: (1 20 15)
(0 11 18)(1)(2)(3)(4 9 7)(5 21 13)(6)(8 12 10)(14)(15)(16 19 17)(20)